| 905 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 894 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1517 | A New Dictionary of Kanji Usage |
| 2795 | Classic Nelson (Andrew Nelson) |
| 1508 | Essential Kanji (P.G. O’Neill) |
| 1519 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2406 | Japanese Names (P.G. O’Neill) |
| 687 | Kanji and Kana (Spahn and Hadamitzky) |
| 700 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 864 | Kanji in Context (Nishiguchi and Kono) |
| 1282 | Kodansha Compact Kanji Guide |
| 3558 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1836 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2498 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 316 | Les Kanjis dans la tete (Yves Maniette) |
| 19332 | Morohashi |
| 2868 | New Japanese English Character Dictionary (Jack Halpern) |
| 3472 | New Nelson (John Haig) |
| 310 | Remembering The Kanji (James Heisig) |
| 332 | Remembering The Kanji, 6th edition (James Heisig) |
| 984 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 6
JLPT level N1
1415 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 熟練 【ジュクレン】 skill, expertise, experience, proficiency, mastery, dexterity
- 熟知 【ジュクチ】 being familiar with, having a thorough knowledge of, being well-informed about
- 半熟 【ハンジュク】 half-cooked, half-done, soft-boiled, half-ripe, unripe
- 完熟 【カンジュク】 full ripeness, full maturity
Kun reading compounds
- 熟れる 【うれる】 to ripen (fruit, grain, etc.), to become ripe
Readings
- Korean:
- sug
Spanish
- madurar
- adquirir habilidad
- pensar bien
Portuguese
- maturar
- amadurecer
- amadurecimento
- adquirir habilidade
French
- mûrir
- maturité
- acquérir des capacités
| 440 | 2001 Kanji |
| 4d10.5 | The Kanji Dictionary |
| 2-11-4 | SKIP code |
| 2-10-4 | SKIP code |
| 0533.1 | Four corner code |
| 0433.1 | Four corner code |
| 1-29-47 | JIS X 0208-1997 kuten code |
| 719f | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
1739 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 睡眠 【スイミン】 sleep
- 睡魔 【スイマ】 sleepiness, drowsiness, the sandman, Morpheus
- 昏睡 【コンスイ】 coma, deep sleep, falling fast asleep
- 仮睡 【カスイ】 nap, doze
Kun reading compounds
- 眠る 【ねむる】 to sleep, to die, to rest (in peace), to lie (buried), to sleep (in the grave), to lie idle (e.g. of resources), to lie unused, to lie untapped, to lie untouched, to close one's eyes
- 眠い 【ねむい】 sleepy, drowsy, somnolent
Readings
- Korean:
- su
Spanish
- somnolencia
- dormir
- dormitar
Portuguese
- sonolento
- sono
- morte
French
- ensommeillé
- dormir
- mourir
| 1459 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1742 | A New Dictionary of Kanji Usage |
| 3149 | Classic Nelson (Andrew Nelson) |
| 1521 | Essential Kanji (P.G. O’Neill) |
| 1562 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1071 | Kanji and Kana (Spahn and Hadamitzky) |
| 1118 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 977 | Kanji in Context (Nishiguchi and Kono) |
| 1389 | Kodansha Compact Kanji Guide |
| 1535 | Kodansha Kanji Dictionary (Jack Halpern) |
| 813 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1108 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1597 | Les Kanjis dans la tete (Yves Maniette) |
| 23448 | Morohashi |
| 1200 | New Japanese English Character Dictionary (Jack Halpern) |
| 3948 | New Nelson (John Haig) |
| 1583 | Remembering The Kanji (James Heisig) |
| 1707 | Remembering The Kanji, 6th edition (James Heisig) |
| 1650 | Tuttle Kanji Cards (Alexander Kask) |
| 3972 | 2001 Kanji |
| 5c8.2 | The Kanji Dictionary |
| 1-5-8 | SKIP code |
| 6201.4 | Four corner code |
| 1-31-71 | JIS X 0208-1997 kuten code |
| 7761 | Unicode hex code |